simgear/PUI/puButtonBox.cxx
1998-06-17 21:32:42 +00:00

101 lines
2.6 KiB
C++

#include "puLocal.h"
puButtonBox::puButtonBox ( int minx, int miny, int maxx, int maxy,
char **labels, int one_button ) :
puObject ( minx, miny, maxx, maxy )
{
type |= PUCLASS_BUTTONBOX ;
one_only = one_button ;
button_labels = labels ;
for ( num_kids = 0 ; button_labels [ num_kids ] != NULL ; num_kids++ )
/* Count number of labels */ ;
}
int puButtonBox::checkKey ( int key, int updown )
{
if ( updown == PU_UP ||
! isReturnDefault() ||
( key != '\r' && key != '\n' ) )
return FALSE ;
int v = getValue () ;
if ( ! one_only )
v = ~v ;
else
if ( v++ > num_kids )
v = 0 ;
setValue ( v ) ;
invokeCallback() ;
return TRUE ;
}
int puButtonBox::checkHit ( int button, int updown, int x, int y )
{
if ( ! isHit ( x, y ) ||
( updown != active_mouse_edge &&
active_mouse_edge != PU_UP_AND_DOWN ) )
return FALSE ;
int i = num_kids - 1 - (( y - abox.min[1] - PUSTR_BGAP ) * num_kids ) /
( abox.max[1] - abox.min[1] - PUSTR_BGAP - PUSTR_TGAP ) ;
if ( i < 0 ) i = 0 ;
if ( i >= num_kids ) i = num_kids - 1 ;
if ( one_only )
setValue ( i ) ;
else
setValue ( getValue () ^ ( 1 << i ) ) ;
invokeCallback () ;
return TRUE ;
}
void puButtonBox::draw ( int dx, int dy )
{
if ( !visible ) return ;
abox . draw ( dx, dy, style, colour, isReturnDefault() ) ;
for ( int i = 0 ; i < num_kids ; i++ )
{
puBox tbox ;
tbox . min [ 0 ] = abox.min [ 0 ] + PUSTR_LGAP + PUSTR_LGAP ;
tbox . min [ 1 ] = abox.min [ 1 ] + ((abox.max[1]-abox.min[1]-PUSTR_TGAP-PUSTR_BGAP)/num_kids) * (num_kids-1-i) ;
tbox . max [ 0 ] = tbox.min [ 0 ] ;
tbox . max [ 1 ] = tbox.min [ 1 ] ;
if (( one_only && i == getValue() ) ||
( !one_only && ((1<<i) & getValue() ) != 0 ) )
tbox . draw ( dx, dy + PUSTR_BGAP + PUSTR_BGAP, -PUSTYLE_RADIO, colour, FALSE ) ;
else
tbox . draw ( dx, dy + PUSTR_BGAP + PUSTR_BGAP, PUSTYLE_RADIO, colour, FALSE ) ;
/* If greyed out then halve the opacity when drawing the label and legend */
if ( active )
glColor4fv ( colour [ PUCOL_LEGEND ] ) ;
else
glColor4f ( colour [ PUCOL_LEGEND ][0],
colour [ PUCOL_LEGEND ][1],
colour [ PUCOL_LEGEND ][2],
colour [ PUCOL_LEGEND ][3] / 2.0f ) ; /* 50% more transparent */
puDrawString ( legendFont, button_labels[i],
dx + tbox.min[0] + PU_RADIO_BUTTON_SIZE + PUSTR_LGAP,
dy + tbox.min[1] + puGetStringDescender(legendFont) + PUSTR_BGAP + PUSTR_BGAP) ;
}
draw_label ( dx, dy ) ;
}